that led to delays for nent minutes of arriving flights, that's about 10% of the faa's air traffic controlling work force were required to take an unpaid day off on monday. additional furloughs of tsa workers also lead to peak hour backups at security checkpoints. >>> sticking with airport security the tsa is postponing a rule change that would allow passengers to carry small knives on planes. the change is facing strong opposition from flight attendant and the air marshalls. the policy is being delayed so passengers, advocates and law enforcement experts can weigh in. the tsa plan to allow knives with small blades on planes starting this thursday. it would have been the first time they would have been back on passenger planes since september 11th, 2001. >>> new york city at it again. it may become the biggest city in america to raise the legal age for buying cigarettes to 21. the city already opposes the highest cigarette taxes in the country. it also bans smoking in bars, parks and beaches while launching graphic advertising campaigns about the hazards of smoking. smokers of retailers say th